diff --git a/requirements-test.txt b/requirements-test.txt
index 16c2f58..4e1a0bd 100644
--- a/requirements-test.txt
+++ b/requirements-test.txt
@@ -3,4 +3,4 @@ pre-commit
 pytest
 python-on-whales
 # The bump-version script requires at least version 3 of semver.
-semver>=3
+semver>=3.0.4